{"title": "Early civilization", "key": "/works/OL7601332W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4277339A"}}], "type": {"key": "/type/work"}, "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2009-12-10T21:29:05.726883"}, "last_modified": {"type": "/type/datetime", "value": "2022-10-02T20:49:42.539998"}}